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Case Reports in Cardiology
Volume 2016 (2016), Article ID 6369812, 3 pages
Case Report

Successful Intravascular Ultrasound-Guided Transradial Coronary Intervention with a 4Fr Guiding Catheter

1Department of Cardiovascular Medicine, Saga-Ken Medical Centre KOSEIKAN, Saga, Japan
2Department of Cardiovascular Medicine, St. Mary’s Hospital, Kurume, Japan

Received 23 June 2016; Accepted 25 August 2016

Academic Editor: Expedito E. Ribeiro

Copyright © 2016 Yasuhiro Nakano and Kenji Sadamatsu. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Minimizing the catheter size can reduce vascular access complications and contrast dye usage in coronary angiography. The small diameter of the 4Fr guiding catheter has limited the use of several angioplasty devices such as intravascular ultrasound (IVUS) in the past. However, the combination of a novel IVUS catheter and a 0.010 guidewire makes it possible to perform IVUS-guided percutaneous coronary intervention (PCI) with a 4Fr guiding catheter. We herein report the case of a 51-year-old man with silent myocardial ischemia who underwent IVUS-guided transradial PCI with a 4Fr guiding catheter.